diff --git a/veadk/auth/veauth/ark_veauth.py b/veadk/auth/veauth/ark_veauth.py
index 54f8c5b3..9cd814ec 100644
--- a/veadk/auth/veauth/ark_veauth.py
+++ b/veadk/auth/veauth/ark_veauth.py
@@ -35,6 +35,12 @@ def get_ark_token(region: str = "cn-beijing") -> str:
         secret_key = cred.secret_access_key
         session_token = cred.session_token
 
+    provider = os.getenv("CLOUD_PROVIDER")
+    host = "open.volcengineapi.com"
+    if provider and provider.lower() == "byteplus":
+        region = "ap-southeast-1"
+        host = "open.byteplusapi.com"
+
     res = ve_request(
         request_body={"ProjectName": "default", "Filter": {"AllowAll": True}},
         header={"X-Security-Token": session_token},
@@ -44,8 +50,9 @@ def get_ark_token(region: str = "cn-beijing") -> str:
         service="ark",
         version="2024-01-01",
         region=region,
-        host="open.volcengineapi.com",
+        host=host,
     )
+    logger.info(f"Successfully fetched ARK API Key list: {res}")
     try:
         first_api_key_id = res["Result"]["Items"][0]["Id"]
         logger.warning("By default, VeADK fetches the first API Key in the list.")
@@ -65,7 +72,7 @@ def get_ark_token(region: str = "cn-beijing") -> str:
         service="ark",
         version="2024-01-01",
         region=region,
-        host="open.volcengineapi.com",
+        host=host,
     )
     try:
         api_key = res["Result"]["ApiKey"]
diff --git a/veadk/consts.py b/veadk/consts.py
index 5eaade54..6b2a07f1 100644
--- a/veadk/consts.py
+++ b/veadk/consts.py
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 import time
-
+import os
 from veadk.utils.misc import getenv
 from veadk.version import VERSION
 
@@ -75,3 +75,17 @@
 
 DEFAULT_NACOS_GROUP = "VEADK_GROUP"
 DEFAULT_NACOS_INSTANCE_NAME = "veadk"
+
+provider = os.getenv("CLOUD_PROVIDER")
+print(f"CLOUD_PROVIDER: {provider}")
+if provider and provider.lower() == "byteplus":
+    DEFAULT_MODEL_AGENT_NAME = "seed-1-6-250915"
+    DEFAULT_MODEL_AGENT_API_BASE = "https://ark.ap-southeast.bytepluses.com/api/v3"
+    DEFAULT_IMAGE_EDIT_MODEL_NAME = "seededit-3-0-i2i-250628"
+    DEFAULT_IMAGE_EDIT_MODEL_API_BASE = "https://ark.ap-southeast.bytepluses.com/api/v3"
+    DEFAULT_VIDEO_MODEL_NAME = "seedance-1-5-pro-251215"
+    DEFAULT_VIDEO_MODEL_API_BASE = "https://ark.ap-southeast.bytepluses.com/api/v3"
+    DEFAULT_IMAGE_GENERATE_MODEL_NAME = "seedream-4-5-251128"
+    DEFAULT_IMAGE_GENERATE_MODEL_API_BASE = (
+        "https://ark.ap-southeast.bytepluses.com/api/v3"
+    )